The working principle of the welding smoke purifier cartridge filter

Working principle of the dust collector cartridge filter dust after ash hopper in the gas into the welding smoke dust, because the air section sudden enlargement, part of the particles in gas thick dust particles under the action of gravity and inertia settling down; Fine granularity and density of small dust particles into the filter chamber, by brown diffusion and sieve filter such as comprehensive effect, make the dust deposition on the surface of filter material, after purification, the air chamber by the exhaust gas into the net by the fan discharge. The resistance of filter cartridge welding smoke filter material surface increases with increasing of the dust layer thickness. Resistance to a specified value, ash removal. Pulse control meter control pulse valve opening and closing, when the pulse valve opens, the gas bags of compressed air through the pulse valve through the holes on the spray torch, jet ejector flow out of a high speed and high pressure, thus forming a equivalent of ejector flow volume 1 ~ 2 times of induced airflow, together into the cartridge, the cartridge in the instant positive pressure and generate ballooning and micro, the dust deposited on the filter material loss, falling into the hopper. The dust collected in the hopper through the discharge valve, the continuous eduction. The pulse dust collector blowing dust, soot cleaning cartridge line by line order is pulse valve open and close a produces a pulse action, the time required to 0. 1 to 0. 2s； Pulse valve the time interval between two times of open and close to 1 ~ 2 min. All filter cartridge time required to complete a soot cleaning cycle of 10 ~ 30 min. Because this equipment for high voltage pulse ash removal, according to the equipment resistance situation, should be the appropriate time, the injection and the injection interval and appropriate to shorten injection cycle.

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